Notwithstanding any other provision of this subsection or of section 5307, no additional payments may be paid to an employee under this section in any calendar year if, or to the extent that, the employee’s total annual compensation will exceed the maximum amount of total annual compensation payable at the salary set in accordance with
section 104 of title 3. In computing an employee’s total annual compensation for purposes of the preceding sentence, any payment referred to in paragraph (2)(B) shall be excluded.